Working-barrel honing device



Oct. 21', i530.

R. D oUGLAs WORKING BARREL HONI NG DVICE Filed June 30, 1928 2 Sheets-Sheet l wh. .mr/4555111125;-

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athymic Oct. 2l, 1930. R. DOUGLAS I 1,779,161

, WORKING BARREL HONING DEVICE Filed June 30, 1928 2 Sheets-Sheet 2 Roy Waugbw Patented Oct. 21, 1930 UNITED# STATES lPATEN-l- ,OFFICE f vnoviioUGLA's, orV Mexm, TEXAS, fAssIGNOR ,konform-FOURTH yTo ymssOCIA'rED F'A- i TOBIES OORPO'RATIOMOF DALLAs'TEXAs, CORPORATION oF niiiLA'wisiREv WORKING-BARREL HONrNG DEVICE. y'

- Applicatio filed .Tune 3o, 192s. Serial No. 289,553.

vMy invention relates .to a working barrel' h'oning device rand has particular reference to an apparatus for honing, milling, reaming or boringout the liners withintlie working 5 barrel section lof a rwell casingwithoutthe necessity of removing said liners from thew jacketin which tlieyjare secured.l

The'working barrel .of ordinary oil well equipment is generally positioned at the bottom of the well andis carried at the lower end of the 4well casing,and usually consists of a jacket containing ten or more tubular metal liners 4which. arey placedend to end'4 within ajacket to` constitute the. working 5 `15 barrelor cylinderiwithinwhicli the pump plunger is reciprocated to force the Oil-from the bot-tom of thewell to the surface. lAfter prolonged usage, vthese liners become worn and scored and thusrender the operation of .20 the pumping` equipment,unsatisfactory, and when this condition arises,it is necessary to remove` the working lbarrel .from the .well

Y aiidtcrepaii" or replace the liners in order to insure a proper and effective lit between the )umn lunffer and the liners. Heretoi P e fore it has been` the practiceto completely` remove the individual liners from the jacket .after the working barrelhas been pulled or `ljiroughtdo the surface, and to replace stationary work holder; y

Fig. 2 is an enlarged vertical sectional view showing the details ofthe work holderand liners, usually ten-orptwelve in number, be-

ing/'subsequently ground down or yhoned to correspond to the diameter of the pump plunger piston, or it has beenthe practice to. remove the individual liners romthe jacket vand togrind or hone each liner to remove the score marks and pit holes and to further grindyor Vhone themto properly accommodate an ,o versize pump plungerpiston. No` apparatus has :heretofore been available by means `of *which the .working Y barrel liners could be ground or honed to the proper size and shape without the` necessity vof completely removing each individual liner from the jacket and. subjecting tothe described operation. of grinding kor honing.-

It isk the object of my invention to provide a device or apparatus whereby the tubu-` lar liner within thek ordinary :work-ing barfr rel can be ground, honed, bored, .or otherthey are secured.

themwith lnew ones, each of the individual wise worked upon: without the 'necessit ,lofiy removing the liners from the jacket in w` ich It is a further object of myinvention to provide an apparatus for operating on thev .liners of an ordinary working barrel without necessitating the removal of said liners from their jackets, said apparatusincluding a novel work holder for supporting and ymaintaining the complete working barrel in.` exact lvertical alinement, and tol associate with said -Work holder novel means for vrotating and reciprocating within the liners, ahone or other Vtool to effect theproper resurfacing or resizing of the complete set of liners within their acket. y i

It is a still further object offmy invention to provide a complete working barrel honing device which is simple in construction, cheap and easy to manufacture, reliable in operation, and highly ellicient in' the purposesV for which designed.- y

In the accompanying drawings orming a vpart of this specification and inwhich llike numerals are employed to designate likeA parts throughout the several views,

Fig.f1 is a side elevation, partly in section,

showing my complete apparatus in position to opeiater upon a jacket placed within the the rotary, reciprocating honing device as# sociated therewith h l `F1g. l31s an enlarged perspective view of the set of wedge-shaped slips which are used the connection between the drive shaft'and the hone. i i Referring to thedrawing's, wherein for the purpose of illustration is Ashowna prie- '.erredlembodiment ofiny invention, the ynu-y Ineral 1 designates broadly my improved stationary work holder, the same comprising a tubular casing 2 of a length and diameter suHicient to accommodate the ordinary or standard working barrel. The tubular casing 2 is buried in the ground below the floor 3 of the work shop and is preferably embedded in cement 4, which assists in maintaining the said casing in exact vertical alinement. The upper open end of the casing 2 extends upwardly through the floor 3 of the work shop, and the lower end of said casing is provided with a nipple 5 having inwardly and downwardly tapered inner walls, this nipple being screw threaded onto or otherwise secured to the casing. The numerals 6 and 7 represent a pair of coactinff slips, each having their outer surfaces tapered and having their inner surfaces provided with grooves or teeth, the grooves or teeth 8 of slip section 6 being arranged axially of the section, whereas the grooves 9 of the slip section 7 are arranged transversely of the section, for purposes to be hereinafter described.

Referring to the operation of my improved work holder 1, constructed and mounted above described, the jacket 10 of the working barrel of an oil well pumping equipment is placed above the work holder 1 and lowered thereinto, it being understood that the jacket 1() contains the liners 11 which constitute the working cylinder of the pumping mechanism of the well. Preferably the jacket 10 is provided at its upper and lower ends with an internally screw threaded collar 12, it being noted that the interna-l threads on opposite ends of each collarl 12 are of different diameters, to thereby accommodate casings and well tubings of different diameters. The collar 12 at the lower end of the jacket 10 contacts with the downwardly and inwardly sloping walls of the nipple 5 and thus the jacket 1() is centered within the work holder 1 with the upper end of the said jacket projecting above the upper open end of the work holder as clearly shown in Figs. 1 and 4 of the accompanying drawings. The coacting slips 6 and 7 are now placed around the upper projecting end of the jacket 10 and hammered down into the upper open end of the tubular casing 2, the tapered outer surfaces of said slips contact-ing with the said tubulzuf casing and, by a. wedging action, causing the axial teeth 8 and the circumferential teeth 9 to bite into the jacket 10 to thus maintain the jacket rigidly within the casing and to prevent rotary or vertical movement of the jacket with respect to the said casing. The jacket 10 and its contained set of liners 11 new in position for the grinding or honing operation.

The grinding or honing section of my improved apparatus includes a tool adapted to be rotated and reciprocated within the set of liners positioned within the stationary work holder as above described, and further includes a pair of vertical guides or standards 13 arranged on opposite sides of the stationary work holder 1 and secured to the floor 3 and ceiling 14 of the workshop, said guides or standards 13 being parallel to each other and each parallel to the vertical axis through the stationary work holder 1, these standards 13 constituting guides to control the vertical movements of the vertically-reciprocating rotary tool which is used for the grinding or honing operation. An electric motor 15 is suspended from the ceiling 14 by means of a flexible cable 16 which passes over sheaves or pulleys 17 secured to the ceiling 14, this cable being provided at its free end with a counterweight 18 of sutlicient size or weight to balance the motor and the parts carried thereby. The casing of the motor 15 has formed integrally therewith or appropriately secured thereto a pair of laterally extending arms 19 which constitute handles and which are of a suiiicient length to engage on opposite sides of the vertical guides or standards 13 and by means of which the motor may be moved up and down by the operator of the appa.- ratus. It is, of course, understood that the motor 15 is so positioned between the vertically extending guide standards 13 as to be suspended directly above the stationary work holder 1.

The motor 15 is provided with a. relatively long depending drive shaft 2O which terminates in a ball-shaped end portion 21 by means of which the said drive shaft is flexibly connected to a socket 22 on the hone or other tool which is to be driven within the set of liners rigidly held within the stationary work holder. In the drawings accompanying my application, I have shown a hone or grinding tool comprising a body portion 23 and radially movable segmental abrading or grinding members 24, these grinding members 24 being radially movable by means of upper and lower wedges 25 which are moved relative to each other by means of the adjusting sleeve 26 mounted on the screw threaded centrally-located rod 27. This form of eXpansible and contractable hone or grinding device is old and well known in the art and forms, of itself, no part of my present invention.

At the upper end of the drive shaft 2O at a point relatively close to the motor 15, I secure a collar 28, while at the lower end of sait drive shaft 2O at a point relatively close to the ball-shaped portion 21, I secure similar collar 29, these two collars 28 and 29 being keyed or otherwise secured to the shaft so as to rotate therewith. Positioned around the drive shaft 2O and extending between the two collars 2S and 29, I provide a tubular outer casing 30 having secured at its upper end a collar 31 and at its lower end a collar 32, the end faces of these two collars 31 and 32 being flattened oil' or otherwise shaped'to constitute shaft 2O so as to maintain the shaftQ() in exact c alinement Within the "saidstationary casing. Near the upperend of the Stationary casing Y 30, preferably immediatelyadjacent the-up'- Aas per collar31, I provide a transverselyextending guide bar 34 having forked end portions K which engage on opposite sides of the verti- `cal guides or standards 13 tothus insure that the motor, shaft and associated parts partake of a truel vertical movement during the reciprocating movements ot the dev-ice. `The guide bar 34 has a'tight fit with, or is other- Wise rigidly secured to, the tubular outer casing 30 so as to hold the same against rotation.

Referring tothe operation of my im` proved device as a Whole, the Working barrel jacket after having been removed from the Well' and disconnected from thestring of well casing, is positioned Within the stationary Work holder 1rv and rigidly secured thereon, as described in detail inthe preceding paragraph of thisspecification'. The ballshaped head2l is inserted in the socket 22 of the hone or grinding device andis secured thereto by the transverse locking pin 35 Which is adapted to 'transmit the drive from the motor 15, through the shaft tothe hone or grinding device., The adjusting screw 26 is operated to draw the Wedges together to thus move the grinding ystrips 24 radially to the proper diameter to grind the liners 11 within the jacket 10 as required. Theh'one orgrinding device is then inserted through the collar 12 at the upperv end ofthe jacket 1() and is moved downwardly into the interior of the tubular liners 1,1 Within the casing. The motor 15 is then started to impart rotation to the hone or grinding device and the y operator. by means of the handles 19, reciprocates the motor and its associated parts vertically so as to move the hone or grinding device throughout the entire axial length of the Working barrel jacketto effectively grind the entire set of liners 11 contained therein 4During this operation, the ljacket 10 and its associated liners 11 are retained against rotation and against vertical displacement Within the stationaryy Work holder' 1 by means of the coacting slips 6 and 7.1 vThe reciprocatory movements of the motor 15" and itsassociated partsV are constrained to true vertical moveoversize pump piston.

ment because of the' slidin engagement be- `t'vveenthe guide'b'a'r`34 and t e vertical, alined guides or standards 13. The vertical movement of the motor l'is transmitted to the hone or grinding device through' the drive shaft'20 and outer stationary` casing 30, thi-fi 'stationary casing 30 keeping the Vshaft 20 in With asl aforesaid, until such-time as the scorings or pit holes have been removed from the innersurface of the liners or the liners have been increased to the proper and predetermined i'nternaldiameter to accommodate an It will thuis be seen that I have provided ai device or apparatus, by means otvvhich the liners Within the Working barrel of an oil Well pumping equipment can be readily honed or ground While in position Within their jacket and without the necessity of removing the'sauid liners from the said jacket. While I have shown andk described my apparatus as used for grinding' or honing, it

is quite obvious, andl entirely within the scope of my invention, to substitute for the hone shown and described, some other type of tool by means of which the liners may be milled, rea'med, bored or otherwise acted j upon. It is to be understood that the form of my invention herein shown and described is to be taken as a preferred example 'of the same, and that various changes in the shape,

size and arrangement of parts maybe resorted to Without departing from the spirit of my invention or scope of the subjoined claims.

Having thus described my invention, what' I claim is: y

1. A Working barrel honing device. comprising a 'stationary workholder, means at the lower end of said Worklholder for cen'- tering the Working barrel and its associated -liners Within the Workv holder, means at the upper end of said workv holder for centering the workingbarre'l andv its associated Vliners Within the' Work holder and for maintaining the` Working barrel against rotary or vertical movements therein, a rotary' reciprocating tool suspended above the Work holder and in vertical alinernent therewith and adapted to operate on. said liners to grind or hone the same to a predetermined internal vWithin the liners and the operation proceeded y diameter', a vertical guide' standard positioned above the stationary work holder, and a guide bar associated with the tool and engaging the standard for guiding the said tool during' its reciprocating movements.

2. A working barrel honing device comprising a relatively long, vertically extending tubular casing adapted to accommodate the working barrel and its associated liners therein, means tor maintaining the working barrel in vertical alinement within the ing for maintaining the same againstrotary and vertical movements therein, a motor suspended above the work holder and having a long depending shatt, said motor being capable ot vertical movement, a rotary tool attached to the. lower end of the shaft and driven thereb` and adapted to operate on said liners to grind or hone the same to a predetermined internal diameter, and means for guiding the shaft during :its reciprocating movements.

3. A working barrel, honing device comprising a vertically ext-ending' tubular work holder adapted to acconnnodate therein the working barrel and its associated liners, means within said work holder to center the working barrel and to prevent rotary or reciprocating movements ot the said barrel within said work holder, a motor suspended above the work holder and having a long depending shaft, said motor being` capable of vertical movement, a rotary tool attached to the lower end et the shatt and driven thereby and adapted to opeate en said liners to grind or hone the saine to a predetermined internal diameter, a easing surrounding the depending drive shaft and extending between the tool and motor, a vertical guide standard positioned -above the stationary work holder, and a gi ide bei' secured to the casing and enga( stamlard for preventing rotation o the casing and for guiding the drive shaft and its associated parts during vertical n'ioven'ients thereof.

4. A working barrel honing device comprising a tubular work holder mounted in vertical position and adapted to accommodate therein the working barrel and its associated liners, a` pair ot tapered segmental slips inserted in the upper end oithe work holder between the sides thereof and the working barrel ior centering the said barrel and for preventing rotary or reciprocating movements of the said barrel within said work holder, a rotary reciprocating tool supported above the work holder and adapted to operate on said liners to grind or-hone the same to a predetermined internal diameter, and means for guiding said tool during its reciprocating movements.

5. A `working barrel honing device coinprising a tubular work holder mounted in vertical position and adapted to .accommodate therein the working` barrel and its associated liners, a pair ot tapered segmental slips insertedv in the upper end oit the work holder between the sides thereoii and the working barrel for centering the said barrel, one oi the segmental slips having its inner surface provided with axially extending teeth which bite into the outer surface of the working barrel to prevent rotary movement of the said barrel and the other otsaid slips having its inner surface provided with circumiierentially extending teeth which bite into the outer surface et the working barrel to prevent vertical movement of the said barrel, a rotary reciprocating tool supported above. the work holder and adapted to operate on said liners to grind or hone the same to a predetermined internal diameter, and means for guiding said tool during its reciprocating movements.

G. A working barrel honing device comprisingl a work holder including a tubular casing adapted to accommodate therein the working barrel and its associated liners, a nipple at the lower end ot said casing having inwardly and downwardly tapered inner walls with which the lower end of the working barrel contacts to automatically center the said barrel within the casing, means at the upper end oit said work holder for centering the working barrel and preventing rotary or vertical movements thereof, and a tool vreciprocable within the working barrel to grind or hone the liners within said barrel to a predetermined diameter.

7. A working barrel honing device comprising a work holder including a tubular casing adapted to accommodate therein the working barrel vand its associatedlinersua nippie at the lower end ot said casing having inwardly and downwardly tapered inner walls with which the lower end ot the working barrel contacts to automatically center the said barrel within the casing, tapered segmental slips inserted in the upper' end of the work holder between the inner sides thereot and the working barrel for centering` said barrel and tor preventing rotary or vertical movements of the barrel within the werk holder, and aV tool reciprocable within the working barrel to grind or hone the liners therein to a predetermined diameter.

8. A work holder tor the working barrels ol wellV casings, comprising a relatively long tubular casing adapted to accommodate therein the working barrel and its associated liners, a` nipple at the lower end of said casing having inwardly and downwardly tapered inner walls with which the lower end ot the working barrel. contacts to antomatically center said barrel within the casing, and a pair ot tapered segmental slips inserted in the upper end of the work holder between thefsides thereof and the working barrel for centering said barrel, one of said segmental slips having its inner surface provided with a-Xially extending teeth which bite into the outer surface of theV Working barrel to prevent rotary movement of said barrel and the other of said slips having its inner surface provided with `circumferential-` ly extending teeth Which bite into the outer surface of the Working barrel to prevent vertical movement of the said barrel, and a tool reciprocable Within the Working barrel to grind or hone the liners therein to va predetermined diameter. Y

In testimony whereof I hereunto a-Hix my signature.

' ROY DOUGLAS. 

